منابع مشابه
Heterosexual anal sexuality and anal sex behaviors: a review.
Little research addresses the role of anal sexuality and anal sexual behaviors as a widely practiced but relatively less frequent element of a heterosexual sexual repertoire. However, the importance of anal sex in sexual health is increasingly well-defined by epidemiological and clinical studies. This article reviews existing data on a range of heterosexual anal sex practices and provides conce...
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متن کاملFactors associated with self-reported unprotected anal sex among male sex workers in Mombasa, Kenya.
OBJECTIVES : To identify social and behavioral characteristics associated with sexual risk behaviors among male sex workers who sell sex to men in Mombasa, Kenya. METHODS : Using time-location sampling, 425 men who had recently sold, and were currently willing to sell sex to men were invited to participate in a cross-sectional survey. A structured questionnaire was administered using handheld...
متن کاملCorrelates of unprotected anal sex among men who have sex with men in Tijuana, Mexico
BACKGROUND Although men who have sex with men (MSM) are disproportionately affected by HIV/AIDS in Mexico, data on current risk behaviors in this population are lacking. This study investigated the prevalence and correlates of unprotected anal intercourse (UAI) in a sample of 260 MSM in Tijuana, Mexico. METHODS In June 2010, men attending a gay pride celebration were invited to complete a sex...
متن کاملRisk factors for anal HPV infection and anal precancer in HIV-infected men who have sex with men.
BACKGROUND Carcinogenic human papillomaviruses (HPVs) cause a large proportion of anal cancers. Human immunodeficiency virus (HIV)-infected men who have sex with men (MSM) are at increased risk of HPV infection and anal cancer compared with HIV-negative men. We evaluated risk factors for HPV infection and anal precancer in a population of HIV-infected MSM. METHODS Our study included 305 MSM a...
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ژورنال
عنوان ژورنال: Nature
سال: 1992
ISSN: 0028-0836,1476-4687
DOI: 10.1038/359182b0